Add CI minutes usage data to GraphQL

doc/api/graphql/reference/index.md

@@ -54,6 +54,16 @@ Returns [`CiConfig`](#ciconfig).
 | <a id="queryciconfigprojectpath"></a>`projectPath` | [`ID!`](#id) | The project of the CI config. |
 | <a id="queryciconfigsha"></a>`sha` | [`String`](#string) | Sha for the pipeline. |
 
+### `Query.ciMinutesUsage`
+
+The monthly CI minutes usage data for the current user.
+
+Returns [`CiMinutesNamespaceMonthlyUsageConnection`](#ciminutesnamespacemonthlyusageconnection).
+
+This field returns a [connection](#connections). It accepts the
+four standard [pagination arguments](#connection-pagination-arguments):
+`before: String`, `after: String`, `first: Int`, `last: Int`.
+
 ### `Query.containerRepository`
 
 Find a container repository.
@@ -4854,6 +4864,52 @@ The edge type for [`CiJob`](#cijob).
 | <a id="cijobedgecursor"></a>`cursor` | [`String!`](#string) | A cursor for use in pagination. |
 | <a id="cijobedgenode"></a>`node` | [`CiJob`](#cijob) | The item at the end of the edge. |
 
+#### `CiMinutesNamespaceMonthlyUsageConnection`
+
+The connection type for [`CiMinutesNamespaceMonthlyUsage`](#ciminutesnamespacemonthlyusage).
+
+##### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="ciminutesnamespacemonthlyusageconnectionedges"></a>`edges` | [`[CiMinutesNamespaceMonthlyUsageEdge]`](#ciminutesnamespacemonthlyusageedge) | A list of edges. |
+| <a id="ciminutesnamespacemonthlyusageconnectionnodes"></a>`nodes` | [`[CiMinutesNamespaceMonthlyUsage]`](#ciminutesnamespacemonthlyusage) | A list of nodes. |
+| <a id="ciminutesnamespacemonthlyusageconnectionpageinfo"></a>`pageInfo` | [`PageInfo!`](#pageinfo) | Information to aid in pagination. |
+
+#### `CiMinutesNamespaceMonthlyUsageEdge`
+
+The edge type for [`CiMinutesNamespaceMonthlyUsage`](#ciminutesnamespacemonthlyusage).
+
+##### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="ciminutesnamespacemonthlyusageedgecursor"></a>`cursor` | [`String!`](#string) | A cursor for use in pagination. |
+| <a id="ciminutesnamespacemonthlyusageedgenode"></a>`node` | [`CiMinutesNamespaceMonthlyUsage`](#ciminutesnamespacemonthlyusage) | The item at the end of the edge. |
+
+#### `CiMinutesProjectMonthlyUsageConnection`
+
+The connection type for [`CiMinutesProjectMonthlyUsage`](#ciminutesprojectmonthlyusage).
+
+##### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="ciminutesprojectmonthlyusageconnectionedges"></a>`edges` | [`[CiMinutesProjectMonthlyUsageEdge]`](#ciminutesprojectmonthlyusageedge) | A list of edges. |
+| <a id="ciminutesprojectmonthlyusageconnectionnodes"></a>`nodes` | [`[CiMinutesProjectMonthlyUsage]`](#ciminutesprojectmonthlyusage) | A list of nodes. |
+| <a id="ciminutesprojectmonthlyusageconnectionpageinfo"></a>`pageInfo` | [`PageInfo!`](#pageinfo) | Information to aid in pagination. |
+
+#### `CiMinutesProjectMonthlyUsageEdge`
+
+The edge type for [`CiMinutesProjectMonthlyUsage`](#ciminutesprojectmonthlyusage).
+
+##### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="ciminutesprojectmonthlyusageedgecursor"></a>`cursor` | [`String!`](#string) | A cursor for use in pagination. |
+| <a id="ciminutesprojectmonthlyusageedgenode"></a>`node` | [`CiMinutesProjectMonthlyUsage`](#ciminutesprojectmonthlyusage) | The item at the end of the edge. |
+
 #### `CiRunnerConnection`
 
 The connection type for [`CiRunner`](#cirunner).
@@ -7836,6 +7892,25 @@ Represents the total number of issues and their weights for a particular day.
 | ---- | ---- | ----------- |
 | <a id="cijobtokenscopetypeprojects"></a>`projects` | [`ProjectConnection!`](#projectconnection) | Allow list of projects that can be accessed by CI Job tokens created by this project. (see [Connections](#connections)) |
 
+### `CiMinutesNamespaceMonthlyUsage`
+
+#### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="ciminutesnamespacemonthlyusageminutes"></a>`minutes` | [`Int`](#int) | The total number of minutes used by all projects in the namespace. |
+| <a id="ciminutesnamespacemonthlyusagemonth"></a>`month` | [`String`](#string) | The month related to the usage data. |
+| <a id="ciminutesnamespacemonthlyusageprojects"></a>`projects` | [`CiMinutesProjectMonthlyUsageConnection`](#ciminutesprojectmonthlyusageconnection) | CI minutes usage data for projects in the namespace. (see [Connections](#connections)) |
+
+### `CiMinutesProjectMonthlyUsage`
+
+#### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="ciminutesprojectmonthlyusageminutes"></a>`minutes` | [`Int`](#int) | The number of CI minutes used by the project in the month. |
+| <a id="ciminutesprojectmonthlyusagename"></a>`name` | [`String`](#string) | The name of the project. |
+
 ### `CiRunner`
 
 #### Fields

ee/app/graphql/ee/types/query_type.rb

@@ -61,6 +61,10 @@ module EE
               null: true,
               resolver: ::Resolvers::Admin::CloudLicenses::LicenseHistoryEntriesResolver,
               description: 'Fields related to entries in the license history.'
+
+        field :ci_minutes_usage, ::Types::Ci::Minutes::NamespaceMonthlyUsageType.connection_type,
+              null: true,
+              description: 'The monthly CI minutes usage data for the current user.'
       end
 
       def vulnerability(id:)
@@ -76,6 +80,10 @@ module EE
         id = ::Types::GlobalIDType[Iteration].coerce_isolated_input(id)
         ::GitlabSchema.find_by_gid(id)
       end
+
+      def ci_minutes_usage
+        ::Ci::Minutes::NamespaceMonthlyUsage.for_namespace(current_user.namespace)
+      end
     end
   end
 end

ee/app/graphql/types/ci/minutes/namespace_monthly_usage_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Ci
+    module Minutes
+      # rubocop: disable Graphql/AuthorizeTypes
+      # this type only exposes data related to the current user
+      class NamespaceMonthlyUsageType < BaseObject
+        graphql_name 'CiMinutesNamespaceMonthlyUsage'
+
+        field :month, ::GraphQL::STRING_TYPE, null: true,
+              description: 'The month related to the usage data.'
+
+        field :minutes, ::GraphQL::INT_TYPE, null: true,
+              method: :amount_used,
+              description: 'The total number of minutes used by all projects in the namespace.'
+
+        field :projects, ::Types::Ci::Minutes::ProjectMonthlyUsageType.connection_type, null: true,
+              description: 'CI minutes usage data for projects in the namespace.'
+
+        def month
+          object.date.strftime('%B')
+        end
+
+        def projects
+          ::Ci::Minutes::ProjectMonthlyUsage.for_namespace_monthly_usage(object)
+        end
+      end
+    end
+  end
+end

ee/app/graphql/types/ci/minutes/project_monthly_usage_type.rb

+# frozen_string_literal: true
+
+module Types
+  module Ci
+    module Minutes
+      # rubocop: disable Graphql/AuthorizeTypes
+      # this type only exposes data related to the current user
+      class ProjectMonthlyUsageType < BaseObject
+        graphql_name 'CiMinutesProjectMonthlyUsage'
+
+        field :minutes, ::GraphQL::INT_TYPE, null: true,
+              method: :amount_used,
+              description: 'The number of CI minutes used by the project in the month.'
+
+        field :name, ::GraphQL::STRING_TYPE, null: true,
+              description: 'The name of the project.'
+
+        def name
+          object.project.name
+        end
+      end
+    end
+  end
+end

ee/app/models/ci/minutes/namespace_monthly_usage.rb

@@ -10,6 +10,7 @@ module Ci
       belongs_to :namespace
 
       scope :current_month, -> { where(date: beginning_of_month) }
+      scope :for_namespace, -> (namespace) { where(namespace: namespace) }
 
       def self.beginning_of_month(time = Time.current)
         time.utc.beginning_of_month

ee/app/models/ci/minutes/project_monthly_usage.rb

@@ -11,6 +11,13 @@ module Ci
 
       scope :current_month, -> { where(date: beginning_of_month) }
 
+      scope :for_namespace_monthly_usage, -> (namespace_monthly_usage) do
+        where(
+          date: namespace_monthly_usage.date,
+          project: namespace_monthly_usage.namespace.projects
+        )
+      end
+
       def self.beginning_of_month(time = Time.current)
         time.utc.beginning_of_month
       end

ee/spec/graphql/types/ci/minutes/namespace_monthly_usage_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['CiMinutesNamespaceMonthlyUsage'] do
+  it do
+    expect(described_class).to have_graphql_fields(:minutes, :month, :projects)
+  end
+end

ee/spec/graphql/types/ci/minutes/project_monthly_usage_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['CiMinutesProjectMonthlyUsage'] do
+  it do
+    expect(described_class).to have_graphql_fields(:minutes, :name)
+  end
+end

ee/spec/graphql/types/query_type_spec.rb

@@ -5,14 +5,15 @@ require 'spec_helper'
 RSpec.describe GitlabSchema.types['Query'] do
   specify do
     expect(described_class).to have_graphql_fields(
-      :iteration,
+      :ci_minutes_usage,
+      :current_license,
       :geo_node,
-      :vulnerabilities,
-      :vulnerability,
       :instance_security_dashboard,
+      :iteration,
+      :license_history_entries,
+      :vulnerabilities,
       :vulnerabilities_count_by_day,
-      :current_license,
-      :license_history_entries
+      :vulnerability
     ).at_least
   end
 end

ee/spec/models/ci/minutes/namespace_monthly_usage_spec.rb

@@ -90,4 +90,15 @@ RSpec.describe Ci::Minutes::NamespaceMonthlyUsage do
       end
     end
   end
+
+  describe '.for_namespace' do
+    it 'returns usages for the namespace' do
+      matching_usage = create(:ci_namespace_monthly_usage, namespace: namespace)
+      create(:ci_namespace_monthly_usage, namespace: create(:namespace))
+
+      usages = described_class.for_namespace(namespace)
+
+      expect(usages).to contain_exactly(matching_usage)
+    end
+  end
 end

ee/spec/models/ci/minutes/project_monthly_usage_spec.rb

@@ -90,4 +90,19 @@ RSpec.describe Ci::Minutes::ProjectMonthlyUsage do
       end
     end
   end
+
+  describe '.for_namespace_monthly_usage' do
+    it "fetches project monthly usages matching the namespace monthly usage's date and namespace" do
+      date_for_usage = Date.new(2021, 5, 1)
+      date_not_for_usage = date_for_usage + 1.month
+      namespace_usage = create(:ci_namespace_monthly_usage, namespace: project.namespace, amount_used: 50, date: date_for_usage)
+      matching_project_usage = create(:ci_project_monthly_usage, project: project, amount_used: 50, date: date_for_usage)
+      create(:ci_project_monthly_usage, project: project, amount_used: 50, date: date_not_for_usage)
+      create(:ci_project_monthly_usage, project: create(:project), amount_used: 50, date: date_for_usage)
+
+      project_usages = described_class.for_namespace_monthly_usage(namespace_usage)
+
+      expect(project_usages).to contain_exactly(matching_project_usage)
+    end
+  end
 end

ee/spec/requests/api/graphql/ci/minutes/usage_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Query.ciMinutesUsage' do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project, name: 'Project 1', namespace: user.namespace) }
+
+  before(:all) do
+    create(:ci_namespace_monthly_usage, namespace: user.namespace, amount_used: 50, date: Date.new(2021, 5, 1))
+    create(:ci_project_monthly_usage, project: project, amount_used: 50, date: Date.new(2021, 5, 1))
+  end
+
+  it 'returns usage data by month for the current user' do
+    query = <<-QUERY
+      {
+        ciMinutesUsage {
+          nodes {
+            minutes
+            month
+            projects {
+              nodes {
+                name
+                minutes
+              }
+            }
+          }
+        }
+      }
+    QUERY
+
+    post_graphql(query, current_user: user)
+
+    monthly_usage = graphql_data_at(:ci_minutes_usage, :nodes)
+    expect(monthly_usage).to contain_exactly({
+      'month' => 'May',
+      'minutes' => 50,
+      'projects' => { 'nodes' => [{
+        'name' => 'Project 1',
+        'minutes' => 50
+      }] }
+    })
+  end
+
+  it 'does not create N+1 queries' do
+    query = <<-QUERY
+      {
+        ciMinutesUsage {
+          nodes {
+            projects {
+              nodes {
+                name
+              }
+            }
+          }
+        }
+      }
+    QUERY
+
+    control_count = ActiveRecord::QueryRecorder.new do
+      post_graphql(query, current_user: user)
+    end
+    expect(graphql_errors).to be_nil
+
+    project_2 = create(:project, name: 'Project 2', namespace: user.namespace)
+    create(:ci_project_monthly_usage, project: project_2, amount_used: 50, date: Date.new(2021, 5, 1))
+
+    expect do
+      post_graphql(query, current_user: user)
+    end.not_to exceed_query_limit(control_count)
+    expect(graphql_errors).to be_nil
+  end
+end